Alia wants to buy pizza for a party.

• 40 to 50 people will be coming to the party.

• A large pizza from Paolo's pizza place serves 3 to 4 people.

• Each large pizza from there costs 11.50.

Part A

Alia wants to buy enough pizza so that people will not be hungry, and wants to have the least amount of pizza left over. How many pizza should she buy.

Part B

If she buys the number of pizza that you determined in part a, how much money will she spend on pizza.
( show your work please )